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i <br /> RIN <br /> • 2.0 GROUNDWATER INVESTIGATION ACTIVITIES <br /> I <br /> Orion's proposed field activities for the groundwater investigation are described in the <br /> following sections <br /> 2.1 Health and Safety <br />' A site-specific Health and Safety Plan (HSP) has been prepared for this investigation and is <br /> included as Appendix A The HSP presents procedures for personnel and equipment <br /> safety, medical surveillance, personal protection, air-quality monitoring, exposure control, <br /> emergency response procedures, and general work practices <br /> Before beginning work at the site a site safer meeting will be conducted Field <br /> g g Y g <br /> personnel will review the HSP and sign the accompanying acknowledgment form Field <br /> personnel will be required to comply with the HSP throughout performance of site <br />� . assessment activities <br /> Based on the site history and potential chemicals of concern, field activities will be <br /> initiated in Level D personal protective equipment (PPE) During field activities, the <br /> breathing zone of field personnel will be monitored using a field photoionization device <br /> (PID) If breathing zone PID readings indicate elevated levels of organic vapors, PPE will <br /> be upgraded accordingly Breathing zone readings will be recorded on the boring logs <br /> 2.2 Monitoring Well Installation <br /> Before initiating dolling activities, Orion will mark the well locations on site and contact <br /> Underground Service Alert to clear the area of subsurface lines and utilities Orion will <br /> also obtain well permits from the SJCEHD and encroachment permits from the City of <br /> Stockton <br /> 5\8FS\STOCKTC)N\WKP001 DOC 10/27/99 2-1 <br />